Davos X-Trails Gold 43K
Works· 43 km, +1,711 m · 5.8–8.1 h on your feet · 3 wk easy running after
40 m of climb per km — steep enough that most runners hike the longer climbs.
Course, cutoffs and race-day guide
There is time for a full build before this one.
the dark row marks weeks with real climbing in them